Communist
Cameras by Nathan Dayton
Russian
Camera Site by Alfred Klomp
Great article about Kiev Rangefinders by Keith Berry
Kievaholic web site
FED abd Zorki Survival Site by Jay Javier
Instruction Manuals
Russian
Camera Manulas in English (FED, Zorki)
Kiev
Rangfinder On-Line Manual
FED-1 and Zorki-1 Survival
Site by Jay Javier
Discussion Groups
USSRPhoto Web Site
Internet
Directory of Camera Collectors (IDCC)
Manufacturer Sites (mostly history and archives)
KMZ
Zenit (in Russian)
LZOS (Lytkarino)
LOMO
Zavod Arsenal (Kiev)
FED (Kharkov)